Home / 13,808.88-19,056.30-7,521.24

Finding the Fourth Proportional to 13,808.88, 19,056.30 and 7,521.24

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Solution

The fourth proportional to 13,808.88, 19,056.30 and 7,521.24 is: 10,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.88 : 19,056.30 = 7,521.24 : x
  2. Step 2: Convert to fraction form
    13,808.88/19,056.30 = 7,521.24/x
  3. Step 3: Cross multiply
    13,808.88x = 19,056.30 × 7,521.24
  4. Step 4: Simplify right side
    13,808.88x = 143,327,005.81
  5. Step 5: Solve for x
    x = 143,327,005.81/13,808.88
  6. Step 6: Final answer
    x = 10,379.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.